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How should i surprise my gf without directly telling her we live 25 hours apart
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Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one
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Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.
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How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?
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What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
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How should i surprise my gf without directly telling her we live 25 hours apart...
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